1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
This article is 1 year old. The latest version of Appleâs operating system for desktop and laptop computers, Mac OS X 10.10 âYosemiteâ, encourages users to turn on the companyâs FileVault disk encryption, as the company hardens its pro-security stance.